Prevalence of West Nile virus and Usutu virus serum antibodies in Dutch bird ringers

Prevalence of West Nile virus and Usutu virus serum antibodies in Dutch bird ringers - West Nile Virus seroprevalence under bird ringers

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON50775

Enrollment

680

Registered

2021-03-01

Start date

2021-03-01

Completion date

Unknown

Last updated

2024-04-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

seroconversion neurological diseases such as encephalitis West Nile virus infection

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: In order to be eligible to participate in this study, a subject must meet the following criteria: carrying-out bird ringing activities during spring, summer or early autumn 2020 in The Netherlands

Exclusion criteria

Exclusion criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study: * Not willing to participate in this study * Using medication interfering with antibodies production * Under 18 years of age

Design outcomes

Primary

Measure	Time frame
The proportion of individuals with neutralising antibodies against WNV by region The proportion of individuals with neutralising antibodies against USUV by region	—

Secondary

Measure	Time frame
The proportion of individuals with IgM antibodies against WNV The proportion of individuals with IgG antibodies against WNV The proportion of individuals with IgM antibodies against USUV The proportion of individuals with IgG antibodies against USUV The proportion of individuals with complaints compatible with WNF since April 2020 The proportion of individuals with complaints compatible with WNVD since April 2020 Single or multiple factors related to demographics, habitat and exposure risk (such as bird ringing locations, contact with bird fluids, mosquito bites preventive measures) which are associated with WNV and/or USUV infection	—

Measure

Time frame

The proportion of individuals with IgM antibodies against WNV The proportion of individuals with IgG antibodies against WNV The proportion of individuals with IgM antibodies against USUV The proportion of individuals with IgG antibodies against USUV The proportion of individuals with complaints compatible with WNF since April 2020 The proportion of individuals with complaints compatible with WNVD since April 2020 Single or multiple factors related to demographics, habitat and exposure risk (such as bird ringing locations, contact with bird fluids, mosquito bites preventive measures) which are associated with WNV and/or USUV infection

—

Countries

Netherlands

Outcome results